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  1. #include <stdio.h>
  2.     void tower(int n,char s,char h,char d){
  3.     if (n==0) return;
  4.       tower(n-1,s,d,h);
  5.       printf("%c→%c\n",s,d);
  6.       tower(n-1,h,s,d);
  7.       return 0;
  8.     }   
  9.    int main(void) {
  10.     	int n;
  11.         printf("Enter the no. of discs: \n");
  12.         scanf("%d",&n);
  13.  
  14.       tower(n,'A','B','C');
  15.     return 0;
  16. }
Success #stdin #stdout 0.01s 5300KB
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stdin
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3
stdout
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Enter the no. of discs: 
A→C
A→B
C→B
A→C
B→A
B→C
A→C
https://ideone.com/BCdo0D
language:
C (gcc 8.3)
created:
12 days ago
visibility:
public

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